diff options
Diffstat (limited to 'drivers/iio/common/inv_sensors/inv_sensors_timestamp.c')
| -rw-r--r-- | drivers/iio/common/inv_sensors/inv_sensors_timestamp.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/iio/common/inv_sensors/inv_sensors_timestamp.c b/drivers/iio/common/inv_sensors/inv_sensors_timestamp.c index fa205f17bd90..f44458c380d9 100644 --- a/drivers/iio/common/inv_sensors/inv_sensors_timestamp.c +++ b/drivers/iio/common/inv_sensors/inv_sensors_timestamp.c @@ -60,11 +60,15 @@ EXPORT_SYMBOL_NS_GPL(inv_sensors_timestamp_init, IIO_INV_SENSORS_TIMESTAMP); int inv_sensors_timestamp_update_odr(struct inv_sensors_timestamp *ts, uint32_t period, bool fifo) { + uint32_t mult; + /* when FIFO is on, prevent odr change if one is already pending */ if (fifo && ts->new_mult != 0) return -EAGAIN; - ts->new_mult = period / ts->chip.clock_period; + mult = period / ts->chip.clock_period; + if (mult != ts->mult) + ts->new_mult = mult; return 0; } |